56918377 has 4 divisors (see below), whose sum is σ = 56959056. Its totient is φ = 56877700.

The previous prime is 56918371. The next prime is 56918419. The reversal of 56918377 is 77381965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56918377 - 2⁷ = 56918249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56918371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18163 + ... + 21064.

It is an arithmetic number, because the mean of its divisors is an integer number (14239764).

Almost surely, 2^56918377 is an apocalyptic number.

It is an amenable number.

56918377 is a deficient number, since it is larger than the sum of its proper divisors (40679).

56918377 is a wasteful number, since it uses less digits than its factorization.

56918377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40678.

The product of its digits is 317520, while the sum is 46.

The square root of 56918377 is about 7544.4268834684. The cubic root of 56918377 is about 384.6663258363. Note that the first 3 decimals are identical.

The spelling of 56918377 in words is "fifty-six million, nine hundred eighteen thousand, three hundred seventy-seven".